<template>
  <div>
    <table border="1" width="700" style="border-collapse: collapse">
      <caption>
        购物车
      </caption>
      <thead>
        <tr>
          <th><input type="checkbox" v-model="isAll" /> <span>全选</span></th>
          <th>名称</th>
          <th>价格</th>
          <th>数量</th>
          <th>总价</th>
          <th>操作</th>
        </tr>
      </thead>
      <tbody>
        <tr v-for="(item, index) in goodList" :key="index">
          <th><input type="checkbox" v-model="item.checked" /></th>
          <td>{{ item.name }}</td>
          <td>{{ item.price }}</td>
          <td>
            <button @click="delFn(index)">-</button>{{ item.num
            }}<button @click="addFn(index)">+</button>
          </td>
          <td>{{ item.price * item.num }}</td>
          <td><button @click="splicListFn(index)">删除</button></td>
        </tr>
      </tbody>
      <tfoot>
        <tr>
          <td>合计:</td>
          <td colspan="5">{{ totalPrice }}</td>
        </tr>
      </tfoot>
    </table>
  </div>
</template>

<script>
import { mapGetters, mapMutations,mapState } from 'vuex'
export default {
  data() {
    return {}
  },
  methods: {
    ...mapState(['all']),
    ...mapMutations(['del', 'add', 'splicList', 'checkAll','AllCheck']),
    delFn(index) {
      this.del(index)
    },
    addFn(index) {
      this.add(index)
    },
    splicListFn(index) {
      this.splicList(index)
    },
  },
  computed: {
    ...mapGetters(['goodList', 'totalPrice',]),
    isAll: {
      set(val) {
        this.checkAll(val)
      },
      get() {
        
        return this.AllCheck
      },
    },
  },
}
</script>

<style></style>
